#include "mainwindow.h"

#include <QApplication>

#include <QCryptographicHash>
#include <QByteArray>
#include <QUdpSocket>
#include <QClipboard>
#include <QMessageBox>



QString getDiskNum()
{
    QString cmd="wmic diskdrive where index=0 get serialnumber";
    QProcess p;
    p.start(cmd);
    p.waitForFinished();
    QString result = QString::fromLocal8Bit(p.readAllStandardOutput());
    QStringList list = cmd.split(" ");
    result = result.remove(list.last(), Qt::CaseInsensitive);
    result = result.replace("\r", "");
    result = result.replace("\n", "");
    result = result.simplified();
    return result;
}
QString get_ClearMD532(QString in)
{
    in="Clear"+in;
    QByteArray bytePwd = in.toLatin1();
    QByteArray bytePwdMd5 = QCryptographicHash::hash(bytePwd, QCryptographicHash::Md5);
    QString strPwdMd5 = bytePwdMd5.toHex();
    return strPwdMd5;
}
qint32 getWebTime()//获取网络时间
{
    QUdpSocket udpSocket;
    udpSocket.connectToHost("ntp.aliyun.com", 123);
    if(udpSocket.waitForConnected(3000))
    {
        qint8 LI=0;
        qint8 VN=3;
        qint8 MODE=3;
        qint8 STRATUM=0;
        qint8 POLL=4;
        qint8 PREC=-6;
        QDateTime epoch(QDate(1900,1,1));
        qint32 second=quint32(epoch.secsTo(QDateTime::currentDateTime()));
        qint32 temp=0;
        QByteArray timeRequest(48, 0);
        timeRequest[0]=(LI <<6) | (VN <<3) | (MODE);
        timeRequest[1]=STRATUM;
        timeRequest[2]=POLL;
        timeRequest[3]=PREC & 0xff;
        timeRequest[5]=1;
        timeRequest[9]=1;
        timeRequest[40]=(temp=(second&0xff000000)>>24);
        temp=0;
        timeRequest[41]=(temp=(second&0x00ff0000)>>16);
        temp=0;
        timeRequest[42]=(temp=(second&0x0000ff00)>>8);
        temp=0;
        timeRequest[43]=((second&0x000000ff));
        udpSocket.flush();
        udpSocket.write(timeRequest);
        udpSocket.flush();
        if(udpSocket.waitForReadyRead(3000))
        {
            QByteArray newTime;
            QDateTime epoch(QDate(1900, 1, 1));
            QDateTime unixStart(QDate(1970, 1, 1));
            do
            {
                newTime.resize(udpSocket.pendingDatagramSize());
                udpSocket.read(newTime.data(), newTime.size());
            }while(udpSocket.hasPendingDatagrams());
            QByteArray TransmitTimeStamp ;
            TransmitTimeStamp=newTime.right(8);
            quint32 seconds=TransmitTimeStamp[0];
            quint8 temp=0;
            for(int j=1;j<=3;j++)
            {
                seconds=seconds<<8;
                temp=TransmitTimeStamp[j];
                seconds=seconds+temp;
            }
            quint32 t = seconds-epoch.secsTo(unixStart);
            return t;
//            time.setTime_t(seconds-epoch.secsTo(unixStart));
        }
    }
    return -1;
}
bool IsTimeOk(QString ClearPM2)
{
    QByteArray PM2_1 = ClearPM2.toLatin1();//1.把String转为QByteArray
    QByteArray PM2_2 = QByteArray::fromBase64(PM2_1);//2.base64解密第一次
    QString PM2_3=QString(QByteArray::fromBase64(PM2_2));//3.Base64解密第二次 并转换为String
    QDateTime PM2_4=QDateTime::fromString(PM2_3,"yyyyMMddhhmm");//4.将解密出来的字符串转换为时间格式
    if(!(PM2_4.isValid()))   //5.如果解密出来的字符串不符合日期格式  直接认为失败
        return  false;

    qint32 LocalTime = getWebTime();//获取网络时间戳
    if(LocalTime==-1)//如果失败 尝试本地时间
    {
        qDebug()<<"webError";
        QDateTime current_date_time =QDateTime::currentDateTime();//获取本地时间
        LocalTime=current_date_time.toTime_t();
    }

    if(PM2_4.toTime_t()>LocalTime)//判断授权结束日期是否晚于当前时间
    {
        return true;
    }
    else
    {
        return  false;
    }
}

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    /********************************************************************************************************/
    QFileInfo fileInfo(QCoreApplication::applicationDirPath() + "/Qt5Server.dll");
           if(!fileInfo.isFile())
           {
               QMessageBox::StandardButton reply;
               reply=QMessageBox::information(NULL, "ERROR", "Runtime Error:"+getDiskNum());
               if(reply==QMessageBox::Ok)
               {
                   QClipboard* clip = QApplication::clipboard();
                   clip->setText(getDiskNum());
                   return 1;
               }
           }



           QSettings *configIni = new QSettings(QCoreApplication::applicationDirPath() + "/Qt5Server.dll", QSettings::IniFormat);
           if((configIni->value(   "/config/ClearPM"   ).toString())!=get_ClearMD532(getDiskNum()))
           {
               QMessageBox::StandardButton reply;
               reply=QMessageBox::information(NULL, "ERROR", "Runtime Error:"+getDiskNum());
               if(reply==QMessageBox::Ok)
               {
                   QClipboard* clip = QApplication::clipboard();
                   clip->setText(getDiskNum());
                   delete  configIni;
                   return 1;
               }
           }
           QString PassTime = configIni->value(   "/config/ClearPM2"   ).toString();
           if(IsTimeOk(PassTime)!=true)
           {
               QMessageBox::StandardButton reply;
               reply=QMessageBox::information(NULL, "ERROR", "Runtime Error:"+getDiskNum());
               if(reply==QMessageBox::Ok)
               {
                   QClipboard* clip = QApplication::clipboard();
                   clip->setText(getDiskNum());
                   delete  configIni;
                   return 1;
               }

           }
           delete  configIni;
/********************************************************************************************************/

    MainWindow w;
    w.show();
    return a.exec();
}